4* 10/100/1000 BASE-T(X) RJ45 ports and 4* Gigabit SFP ports.

IPSMG 304-4S A75

Key Features & Benefits

1. Dual relay outputs for instant network fault alarms.


2. Fast network recovery with ERPS, RSTP and MRP redundancy.


3. 30W PoE (IEEE 802.3af/at) powers devices over Ethernet.


4. IP30 aluminum housing with -20°C to 70°C industrial reliability.


5. Integrated security with 802.1X, ARP spoof prevention, DHCP snooping.


6. Reliable long-distance communication via Gigabit SFP ports.
PRODUCT CATEGORIES
Unmanaged Ethernet Switch Series
EDS-2005-EL Overview

Introduction

"IPSMG 304-4S A75 Series is engineered as a high-reliability, fault-tolerant network backbone for environments where downtime is not an option. In the context of modern industrial architecture—spanning smart manufacturing, resilient energy grids, and connected infrastructure—this series provides the ruggedized performance necessary to bridge the gap between traditional operational technology (OT) and high-speed information technology (IT) networks. By offering a hardened platform that resists extreme electrical and environmental interference, the IPSMG 304-4S A75 ensures that critical data flows remain uninterrupted.

Strategically, the integration of ""Giga Ethernet"" and ""Managed PoE"" represents a vital step in industrial modernization. Gigaspeed throughput accommodates the increasing data density of high-definition vision systems and real-time sensors, while managed Power over Ethernet (PoE) simplifies deployment by delivering data and power over a single cable. This combination allows stakeholders to decentralize intelligence to the network edge, improving local response times and significantly reducing cabling overhead while maintaining granular control through a sophisticated management interface."

Standard
IEEE 802.3af/at (PoE), 802.3/u (10/100BASE-T), 802.3ab (1000BASE-T), 802.3z (1000BASE-X), 802.3x (Flow and Back pressure Flow Control), 802.1d (STP), 802.1w (RSTP), 802.1s (MSTP), 802.1q/p (VLAN Tagging/CoS), 802.1x (Authentication), 802.3ad (LACP), IEEE 1588 PTP V1/V2, ITU-T G.8032 ERPS
IEC Compliance
EC 61000-4-2 (ESD), 61000-4-3 (RS), 61000-4-4 (EFT), 61000-4-5 (Surge), 61000-4-6 (CS), 61000-4-8 (PFMF), 61000-4-11 (Dips)
Interface
RJ45 Ports: 2 or 4 10/100/1000 BASE-T(X) Auto-negotiation (PoE enabled)
Fiber Optics Ports: 2 or 4 Giga SFP (Total 8-port capacity platform)
Console Port: RS232 (RJ45 connector)
Relay Output: 2 Relay outputs for Alarm triggers (1A @ 24 V DC)
LED Indicators: PWR1, PWR2, Alarm, Run, Ring, RJ-45 Link/Speed, SFP Link, PoE
Critical Cable Distance: PoE Surge protectors must be installed within 10m of the ports
Electrical Characteristics
Input Voltage: 45-57 V DC (802.3af mode); 51-57 V DC (802.3at mode)
Power Consumption:
Max 12.6W (No PoE)
Max 130.5W (af mode, 8-port platform)
Max 255W (at mode, 8-port platform)
Physical Characteristics
classConnector Type: 5-Pin 5.08mm Lockable Terminal Block Reverse Polarity: Supported (Protection included) Housing : IP30 Aluminum; 54 x 113 x 145 mm Weight: 1200g Installation : DIN-Rail / Wall mount
Environment
Operating Temp: 0 to 50° C
Relative Humidity: 10 to 90% (non-condensing)
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